Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5868817 | Process for producing steel by converter | Masataka Yano, Yuji Ogawa, Masayuki Arai, Fumio Koizumi, Hideaki Sasaki +5 more | 1999-02-09 |
| 4686081 | Method for addition of low-melting point metal | Kiyoshi Takashima, Isao Suzuki, Masashi Yoshida, Ryutatsu Tanaka, Kazuhiro Kinoshita +1 more | 1987-08-11 |